Full Stack Engineer

Deeto; Barcelona; Híbrido; EUR 40.000 - 70.000; Jornada completa

Descripción de la vacante

A technology innovator in customer engagement is looking for a Full Stack Engineer to develop advanced software solutions. The candidate will work with AWS for serverless applications, React for front-end development, and Node.js for back-end services. The ideal applicant has deep experience in AWS, API integrations, and is familiar with tools like Twilio and SendGrid. Located in Barcelona, this role offers an exciting opportunity in a rapidly growing industry.

Formación

• 3+ years of hands-on experience with AWS tools.
• Proficiency in React and Node.js is required.
• Experience in API integrations and PostgreSQL.
• Familiarity with Twilio, SendGrid, and monitoring tools.

Responsabilidades

• Architect, deploy and manage serverless applications using AWS services.
• Design and maintain AWS RDS instances for high availability.
• Develop and maintain integrations with tools like Salesforce and HubSpot.
• Build responsive front-end interfaces with React.

Conocimientos

AWS (Serverless, CloudFront, RDS, Secrets Manager, WAF)

React

Node.js

API integrations

PostgreSQL

Twilio

SendGrid

CloudWatch

Herramientas

QuickSight

GitHub Actions

Descripción del empleo

Deeto is transforming how B2B companies grow by turning their customers into their most powerful growth engine. Our AI‑powered voice of customer (VoC) platform makes it effortless for companies to capture, organize, and activate authentic customer voices—delivering the right proof points at the right moment to accelerate deals and build trust at scale.Backed by leading investors including Jump Capital and UpWest, we've raised $17M to date and are scaling rapidly across North America and Europe. We're building the future where customer voice is as core to go‑to‑market as your product itself.

About Role

Deeto is seeking an excellent and experienced Full Stack engineer to join the team and help build new and exciting products.

We leverage modern cloud technologies, AI, and integrations with various platforms to create a seamless and scalable application. We are looking for a highly skilled R&D Developer to join our team and drive the development of advanced software solutions.

Responsibilities

• Architect, deploy, and manage serverless applications using AWS Serverless (Lambda, API Gateway) and CloudFormation.
• Configure and optimize CloudFront with Lambda@Edge for global content delivery, including multi‑subdomain and wildcard implementations.
• Design and maintain AWS RDS (PostgreSQL) instances with multi‑schema and multi‑region setups for high availability.
• Implement security best practices using AWS Secrets Manager, CloudWatch for monitoring, and AWS WAF/Cloudflare for threat mitigation.

Third‑Party Integrations:

• Develop and maintain integrations with Salesforce, HubSpot, Zoom, Google APIs (Calendar, reCAPTCHA, Gmail), Twilio (SMS), and SendGrid (DKIM, email delivery).
• Embed analytics dashboards using QuickSight and ensure seamless data workflows.

Full‑Stack Development:

• Build responsive front‑end interfaces with React.
• Develop scalable back‑end services using Node.js.
• Manage CI/CD pipelines via GitHub (PRs, Actions).
• Implement OpenAI APIs and optimize LLM interactions through prompt engineering.
• Explore translation methodologies (e.g., localization frameworks or NLP‑based solutions).
• Work cross‑functionally with product, security, and DevOps teams to ensure code quality, scalability, and compliance.
• Document architectures, troubleshoot issues, and stay updated on emerging technologies.

Requirements

Required Qualifications:

• 3+ years of hands‑on experience with AWS (Serverless, CloudFront, RDS, Secrets Manager, WAF).
• Proficiency in React and Node.js
• Strong background in API integrations (e.g., Salesforce, HubSpot, Zoom, Google).
• Experience with PostgreSQL, multi‑region databases, and security protocols (DKIM, Secrets Manager).
• Familiarity with Twilio, SendGrid, and monitoring tools like CloudWatch.

Preferred Qualifications (Huge Advantage)

• Advanced expertise in Salesforce or HubSpot app development.
• Experience with translation/i18n frameworks or NLP.
• Knowledge of OpenAI/Large Language Models (LLMs) and prompt engineering.
• Familiarity with QuickSight embedded analytics.
• Proficiency in GitHub Actions.